.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-size: 1.5rem;
    color: #666;
}

.error-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    text-align: center;
}

.error-container h2 {
    color: #e74c3c;
    margin-bottom: 15px;
}

.error-container p {
    margin-bottom: 20px;
    color: #555;
}

.error-container button {
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.error-container button:hover {
    background-color: #2980b9;
}

/* 在已有样式后添加 */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-size: 1.5rem;
    color: #666;
}